No language stays the same. All languages develop and change ____ time. [ ]A. in B. on C. behind D.

题目简介

No language stays the same. All languages develop and change ____ time. [ ]A. in B. on C. behind D.

题目详情

No language stays the same. All languages develop and change ____ time.
[     ]
A. in
B. on
C. behind
D. over
题型:单选题难度:中档来源:同步题

答案

D

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